Home / 1,264,431.60-1,744,386.35-828,953.51

Finding the Fourth Proportional to 1,264,431.60, 1,744,386.35 and 828,953.51

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Solution

The fourth proportional to 1,264,431.60, 1,744,386.35 and 828,953.51 is: 1,143,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,431.60 : 1,744,386.35 = 828,953.51 : x
  2. Step 2: Convert to fraction form
    1,264,431.60/1,744,386.35 = 828,953.51/x
  3. Step 3: Cross multiply
    1,264,431.60x = 1,744,386.35 × 828,953.51
  4. Step 4: Simplify right side
    1,264,431.60x = 1,446,015,174,761.89
  5. Step 5: Solve for x
    x = 1,446,015,174,761.89/1,264,431.60
  6. Step 6: Final answer
    x = 1,143,608.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.